Crematogaster bogojawlenskii

Quick Summary

• Difficulty: Medium
• Origin & Habitat: Central Asia and Caucasus region, found in Tajikistan, Kyrgyzstan, Turkmenistan, Uzbekistan, Armenia, Georgia, and Iran ^[2]. In Kyrgyzstan, they inhabit meadows with Juniperus at higher elevations in the Alai Mountains, Abshir Say valley ^[4]. In Turkmenistan, they occupy the foothill zone. Collected in steppe habitats with Eremurus stands at around 800m elevation near Bishkek ^[5]. Also found in lowland areas around Tbilisi, Georgia (Lisi Lake) ^[6].
• Colony Type: Colony structure is not documented in available research.
• Size & Growth:
  • Queen: size data unavailable
  • Worker: approximately 3-4mm ^[1]
  • Colony: Unknown from available research
  • Growth: Unknown
  • Development: Unknown for this species (Development time has not been studied for this species.)
• Antkeeping:
  • Temperature: Keep at room temperature, roughly 20-26°C. Based on their Central Asian distribution spanning temperate to warm regions, they can tolerate a range. Avoid temperatures below 15°C or above 30°C for extended periods.
  • Humidity: Moderate humidity preferred. In their natural habitat (meadows, steppe, foothills), they experience variable conditions. Keep nest substrate moderately moist but not waterlogged. Provide a water source.
  • Diapause: Yes, based on Central Asian distribution, they require a winter dormancy period. Reduce temperature to around 10-15°C for 2-3 months during winter (roughly November to February in the Northern Hemisphere).
  • Nesting: In nature, they nest in soil, under stones, and in rotting wood in foothill and meadow habitats. For captivity, a Y-tong (AAC) nest, plaster nest, or naturalistic setup with soil and hiding spots works well. Provide narrow chambers and moderate humidity.
• Behavior: Crematogaster bogojawlenskii is a generalist forager that actively searches for honeydew and small prey. Workers are moderately aggressive and will defend their colony. They are known for their characteristic habit of raising their abdomen when disturbed, simulating a sting threat. They are good climbers and may attempt escapes. Activity is high year-round except during winter dormancy ^[3].
• Common Issues: escape prevention is important, they are active climbers and will exploit any gaps, winter dormancy is essential for long-term colony health, skipping hibernation may weaken colonies, colonies may be slow to establish initially, patience is needed during founding phase, moderate humidity requirements mean both drying out and waterlogging can be problematic, wild-caught colonies may carry parasites that can cause colony failure in captivity

Nest Preferences and Housing

In the wild, Crematogaster bogojawlenskii nests in soil, under stones, and in rotting wood in foothill and mountain meadow habitats. They prefer areas with moderate vegetation cover, such as meadows with Juniperus in Kyrgyzstan and steppe areas with Eremurus stands ^[4][5]. For captive care, a Y-tong (AAC) nest or plaster nest works well. They need chambers scaled to their small size with narrow passages. A naturalistic setup with soil substrate and flat stones or pieces of wood also works. Keep the nest moderately humid with some drier areas available for the ants to regulate their own moisture exposure.

Feeding and Diet

This species is a generalist forager with a diet focused on aphid honeydew and small insects ^[3]. In captivity, offer a varied diet including sugar water, honey, or diluted syrup as a carbohydrate source. For protein, provide small live or frozen insects such as fruit flies, pinhead crickets, or mealworm pieces. They are active foragers that will discover and recruit to food sources quickly. Feed protein 2-3 times per week and keep a sugar source constantly available. Remove uneaten prey after 24-48 hours to prevent mold. Fresh water should always be accessible.

Temperature and Seasonal Care

Crematogaster bogojawlenskii originates from Central Asia and the Caucasus, a region with distinct seasons and temperature extremes. Keep the nest area at roughly 20-26°C for optimal activity and brood development. A gentle temperature gradient allows the colony to self-regulate. During summer, room temperature is usually sufficient. In winter (roughly November through February in the Northern Hemisphere), they require a diapause period, reduce temperatures to 10-15°C and reduce feeding. This winter rest is essential for colony health and may trigger reproductive behavior in spring. Do not skip hibernation as it can weaken the colony over time.

Behavior and Temperament

Workers of this species are moderately aggressive and will readily defend the colony against threats. They are active foragers, searching for food both day and night except during winter ^[3]. When disturbed, they exhibit the characteristic Crematogaster behavior of raising their abdomen forward over their head in a threatening posture, this is a defensive display rather than an actual sting, though they can sting if provoked. They are good climbers and may attempt to escape from enclosures. Workers communicate through chemical trails and will quickly recruit nestmates to food discoveries. The colony will establish territories and may show aggression toward other ant species in shared spaces.

Colony Founding and Growth

Colony founding behavior has not been documented for this species. The first workers typically emerge several weeks after founding, depending on temperature and feeding. Growth rate varies based on conditions. Mature colony size is unknown but likely reaches several hundred workers based on typical Crematogaster sizes. Reproductives (alates) are produced in established colonies, typically in spring or summer.

Frequently Asked Questions

Report an Issue

The current care sheet is based fully on literature. See inconsistencies, or something that's incorrect? Please report here, it will be resolved after review from an admin. Contributing to the blogs tab also helps providing information, to make us be able to further improve the caresheets. Thank you for your support!

References